Iliolumbar vein

Iliolumbar vein is a vein that drains the iliac and lumbar regions. It is a branch of the internal iliac vein and is located in the lower back and pelvis. The iliolumbar vein plays a crucial role in the venous return from the lower body.

Anatomy

The iliolumbar vein originates from the back of the pelvis and ascends to the lumbar region. It is a branch of the internal iliac vein, which is a major vein in the pelvis. The vein is paired, with one vein on each side of the body. It drains blood from the iliac and lumbar regions, returning it to the heart.

Function

The primary function of the iliolumbar vein is to drain deoxygenated blood from the iliac and lumbar regions. This includes the lower back, buttocks, and pelvis. The blood is then returned to the heart via the inferior vena cava, the body's largest vein.

Clinical significance

Due to its location and function, the iliolumbar vein can be involved in various medical conditions. These include deep vein thrombosis, pelvic congestion syndrome, and varicose veins. In these conditions, the normal flow of blood through the vein is disrupted, leading to symptoms such as pain, swelling, and in severe cases, life-threatening complications.

See also

• Internal iliac vein
• Inferior vena cava
• Deep vein thrombosis
• Pelvic congestion syndrome
• Varicose veins

References

Iliolumbar vein Resources
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